| Middle Island to Lagoa | 3,392.92 mi (5,460.38 km) |
| Middle Island to Lagoa | 2,510.02 mi (4,039.49 km) |
| Middle Island to Lagos | 3,382.75 mi (5,444.00 km) |
| Middle Island to Lamego | 3,312.71 mi (5,331.29 km) |
| Middle Island to Leiria | 3,301.03 mi (5,312.49 km) |
| Middle Island to Lisbon | 3,312.24 mi (5,330.53 km) |
| Middle Island to Loule | 3,414.79 mi (5,495.57 km) |
| Middle Island to Loures | 3,308.39 mi (5,324.34 km) |
| Middle Island to Lourinha | 3,290.73 mi (5,295.91 km) |
| Middle Island to Lousa | 3,318.09 mi (5,339.95 km) |
| Middle Island to Lousada | 3,286.80 mi (5,289.60 km) |
| Middle Island to Macedo de Cavaleiros | 3,341.84 mi (5,378.17 km) |
| Middle Island to Mafamude | 3,274.12 mi (5,269.19 km) |
| Middle Island to Mafra | 3,297.25 mi (5,306.41 km) |
| Middle Island to Maia | 3,270.41 mi (5,263.22 km) |
